From cecc05270aaf1d06e509429c8bd317f98f4d9e8d Mon Sep 17 00:00:00 2001
From: the1812 <the1812@outlook.com>
Date: Fri, 30 Jun 2023 21:31:56 +0800
Subject: [PATCH] Fix capitalization of comment keys

---
 package.json |  2 +-
 src/index.ts | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index dadcb1c..bd72070 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "flac-tagger",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Pure JavaScript FLAC Tag writer and reader.",
   "main": "dist/esm/index.js",
   "types": "dist/types/index.d.ts",
diff --git a/src/index.ts b/src/index.ts
index 657a9ce..b392d4d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -19,6 +19,19 @@ import { MetadataBlockType } from './metadata-block/header'
  * ```
  */
 export type FlacTagMap = Record<string, string[] | string>
+const createFlacTagMap = (): FlacTagMap => {
+  return new Proxy(
+    {},
+    {
+      get(target, p, receiver) {
+        return Reflect.get(target, p.toString().toUpperCase(), receiver)
+      },
+      set(target, p, newValue, receiver) {
+        return Reflect.set(target, p.toString().toUpperCase(), newValue, receiver)
+      },
+    },
+  )
+}
 /**
  * The FLAC tags interface for read / write.
  */
@@ -65,7 +78,7 @@ const readFlacTagsBuffer = (buffer: Buffer) => {
   const stream = FlacStream.fromBuffer(buffer)
   const { vorbisCommentBlock, pictureBlock } = stream
   const commentList = vorbisCommentBlock?.commentList ?? []
-  const tagMap: FlacTagMap = {}
+  const tagMap = createFlacTagMap()
   commentList.forEach(it => {
     const splitIndex = it.indexOf('=')
     if (splitIndex === -1) {